US 12,013,455 B2
Electronic devices with background-cancelled ultra short range object detection
Joonhoi Hur, Sunnyvale, CA (US); Bernhard Sogl, Unterhaching (DE); Jochen Schrattenecker, Alberndorf in der Riedmark (AT); Andreas Menkhoff, Oberhaching (DE); Bin Xiao, San Ramon, CA (US); Lucas Calderin, Berkeley, CA (US); Andre Hanke, San Jose, CA (US); Harald Pretl, Schwertberg (AT); and Rastislav Vazny, Saratoga, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Mar. 12, 2021, as Appl. No. 17/200,311.
Prior Publication US 2022/0291338 A1, Sep. 15, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G01S 13/08 (2006.01); G01R 27/06 (2006.01); G01S 7/00 (2006.01); G01S 7/03 (2006.01); G01S 7/41 (2006.01); G01S 13/86 (2006.01)
CPC G01S 13/08 (2013.01) [G01R 27/06 (2013.01); G01S 7/003 (2013.01); G01S 7/03 (2013.01); G01S 7/412 (2013.01); G01S 13/86 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic device comprising:
a transmit antenna;
a receive antenna;
a voltage standing wave ratio (VSWR) sensor communicably coupled to the transmit antenna; and
one or more processors configured to
use the transmit antenna and the receive antenna to perform spatial ranging operations on external objects located greater than a threshold distance away from the transmit antenna, and
use the VSWR sensor to detect an external object located within the threshold distance from the transmit antenna.